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2725434 = 233411231
BaseRepresentation
bin1010011001011000111010
312010110121000
422121120322
51144203214
6134225430
732110605
oct12313072
95113530
102725434
1115a1728
12ab5276
137456aa
1450d33c
1538c809
hex29963a

2725434 has 32 divisors (see below), whose sum is σ = 6209280. Its totient is φ = 885600.

The previous prime is 2725433. The next prime is 2725439. The reversal of 2725434 is 4345272.

2725434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2725398 and 2725407.

It is not an unprimeable number, because it can be changed into a prime (2725433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (194040).

22725434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2725434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104640).

2725434 is an abundant number, since it is smaller than the sum of its proper divisors (3483846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2725434 is a wasteful number, since it uses less digits than its factorization.

2725434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1277 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2725434 is about 1650.8888514979. Note that the first 4 decimals coincide. The cubic root of 2725434 is about 139.6835368904.

The spelling of 2725434 in words is "two million, seven hundred twenty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 41 54 82 123 246 369 738 1107 1231 2214 2462 3693 7386 11079 22158 33237 50471 66474 100942 151413 302826 454239 908478 1362717 2725434